# SA402 — Dynamic and Stochastic Models

## Fall 2013

### Announcements

• Nov 5  Solutions to Exam 2 have been posted.
• Oct 24  Information on Exam 2 has been posted.
• Oct 17  A revised syllabus has been posted.
• Sep 24  Information on the course project have been posted.
• Sep 24  Solutions to Exam 1 have been posted.

### Homework

• Aug 20  2.1
• Aug 22  3.1, 3.2, 3.3, 3.5
• Aug 27  3.6, 3.8, 3.9
• Aug 29  3.31
• Sep 5  3.17, 3.18, 3.19, 3.20
• Sep 10  2.7, 4.4
• 2.7: Start by computing the demand for hamburgers each day using the given table and system logic
• 4.4: Start by letting Dn be the number of hamburgers demanded on the nth day, and assume that demand between days is independent
• Sep 12  2.10, 4.6
• 2.10: Keep track of the number of jobs waiting to be processed by CPU A and CPU B
• 4.6: Let B be a random variable that takes value 0 with probability 1/2, and 1 with probability 1/2. Map B = 0 to CPU A, and B = 1 to CPU B.
• Sep 26  5.1, 5.3abcd, 5.5, 5.6
• Oct 1  5.3ef, 5.8, 5.10, 5.12
• Oct 3  5.15, 5.17, 5.20, 5.21
• 5.21: take the average number of cars in each hour and round to obtain an estimate for the arrival rate in that hour; ignore the standard error part of the question
• Oct 8  5.13, 5.14
• Oct 10  redo 5.20, 5.21
• Oct 15  6.4, 6.5
• 6.4: assume the process starts in state 1 with certainty
• 6.5: draw the transition diagram only
• Oct 17  modified 6.11, 6.17ab, 6.18
• Oct 22  finish Example 5 in Lesson 16, 6.5 (now do all parts), 6.6ac, 6.8, 6.11
• Oct 24  6.14 (we did this in class), 6.16, 6.17c, 6.20, 6.21
• Nov 5  7.1, 7.10
• Nov 7  7.14 (warning: the solutions appear to be slightly off)
• Nov 12  finish Example 1 in Lesson 20, 8.6a, 8.11a
• Nov 19  8.5, 8.8abc, 8.10abcd

### Quizzes

Now that the semester is over, I have taken down the quiz solutions.

• 1. Aug 29
• 2. Sep 5
• 3. Sep 12
• 4. Sep 26 - not really a quiz
• 5. Oct 3
• 6. Oct 10
• 7. Oct 17
• 8. Oct 24
• 9. Nov 14

### Exams

Now that the semester is over, I have taken down the solutions to the exams and review problems.